Description

1,1,5,5,5-Hexamethyl-3-[2-(1,1,3,3-Tetramethyldisiloxanyl)Ethyl]-3-[(Trimethylsilyl)Oxy]Trisiloxane is a specialized organosilicon compound, specifically a branched trisiloxane derivative, valued for its unique combination of silicone and organic functionality. This chemical is engineered to deliver enhanced performance as a reactive intermediate or functional additive in advanced material synthesis. It is primarily sought by R&D chemists and formulation scientists in the silicone polymers, specialty coatings, and advanced adhesive industries for developing products with tailored surface properties and reactivity.

Application

• Silicone Polymer Modification: Acts as a reactive chain extender or cross-linking agent to introduce specific functional groups into silicone elastomers and resins.
• Surface Treatment Agent: Used to modify surface energy and impart hydrophobic or release properties to textiles, paper, and various substrates.
• Specialty Additive for Coatings: Incorporated into high-performance coatings to improve flow, leveling, and mar resistance.
• Adhesive & Sealant Formulations: Serves as a key ingredient in formulating silicone-based adhesives and sealants with controlled cure profiles and adhesion.
• Lubricant & Release Agent Intermediate: Utilized in the synthesis of advanced silicone fluids and greases for high-temperature or specialty lubrication applications.
• Pharmaceutical & Cosmetic Excipients: Potential use as a volatile carrier or emollient in topical formulations, subject to appropriate purity grades.
• Electronics Encapsulation: Employed in the production of silicone gels and encapsulants for protecting sensitive electronic components.

Basic Information

Product Name	1,1,5,5,5-Hexamethyl-3-[2-(1,1,3,3-Tetramethyldisiloxanyl)Ethyl]-3-[(Trimethylsilyl)Oxy]Trisiloxane
CAS No.	94237-16-8
Molecular Formula	C15H44O4Si6
Molecular Weight	505.1 g/mol
Synonyms	Hexamethyldisiloxane, 1,1,5,5,5-hexamethyl-3-[2-(1,1,3,3-tetramethyldisiloxanyl)ethyl]-3-[(trimethylsilyl)oxy]-; 3-[2-(1,1,3,3-Tetramethyldisiloxanyl)ethyl]-1,1,5,5,5-hexamethyl-3-[(trimethylsilyl)oxy]trisiloxane; Trisiloxane, 1,1,5,5,5-hexamethyl-3-[2-(1,1,3,3-tetramethyldisiloxanyl)ethyl]-3-[(trimethylsilyl)oxy]-; Branched Trisiloxane Derivative; Functional Trisiloxane; Silicone Fluid Intermediate
EINECS	Contact for details

Quality Control

Our production of 1,1,5,5,5-Hexamethyl-3-[2-(1,1,3,3-Tetramethyldisiloxanyl)Ethyl]-3-[(Trimethylsilyl)Oxy]Trisiloxane adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including assay by GC or HPLC and identity confirmation by FT-IR and NMR spectroscopy, to ensure high purity and consistent performance. A detailed Certificate of Analysis (COA) documenting all test results is provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong bases and incompatible materials such as strong oxidizing agents. The container must be kept tightly sealed to prevent moisture absorption and potential degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 95.0%
Refractive Index (n20/D)	1.400 - 1.410
Density (20°C)	0.90 - 0.95 g/mL
Water Content (KF)	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.